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Download Product Insert (PDF) Product Information Delorazepam Item No. 15938 CAS Registry No.: 2894-67-9 H O Formal Name: 7-chloro-5-(2-chlorophenyl)-1,3- N dihydro-2H-1,4-benzodiazepin-2-one Synonyms: Chlordesmethyldiazepam, NSC 169895, Ro 5-3027 Cl N MF: C15H10Cl2N2O FW: 305.1 Purity: ≥98% Cl Stability: ≥2 years at -20°C Supplied as: A crystalline solid λ UV/Vis.: max: 227, 319 nm Laboratory Procedures For long term storage, we suggest that delorazepam be stored as supplied at -20°C. It should be stable for at least two years. Delorazepam is supplied as a crystalline solid. A stock solution may be made by dissolving the delorazepam in the solvent of choice. Delorazepam is soluble in organic solvents such as ethanol, DMSO, and dimethyl formamide, which should be purged with an inert gas. The solubility of Delorazepam in these solvents is approximately 10, 30, 30 mg/ml, respectively. Delorazepam is sparingly soluble in aqueous buffers. For maximum solubility in aqueous buffers, delorazepam should first be dissolved in DMSO and then diluted with the aqueous buffer of choice. Delorazepam has a solubility of approximately 0.5 mg/ml in a 1:1 solution of DMSO:PBS (pH 7.2) using this method. We do not recommend storing the aqueous solution for more than one day. Delorazepam is a benzodiazepine with anxiolytic effects.1 It is a metabolite of the designer drug diclazepam that can be detected in either the serum or urine.2 Delorazepam can also be produced by enzymatic treatment of lorazepam with β-glucuronidase.3 This compound is intended for forensic and research applications. References 1. Paradiso, L. and Rapisarda, V. The psychosedative effect of chlordesmethyldiazepam on anxiety states in neurotic and psychotic inpatients. Clin. Ther. 3, 194-199 (1980). 2. Moosmann, B., Bisel, P., and Auwärter, V. Characterization of the designer benzodiazepine diclazepam and preliminary data on its metabolism and pharmacokinetics. Drug Test Anal. (2014). 3. Fu, S., Molnar, A., Bowron, P., et al. Reduction of temazepam to diazepam and lorazepam to delorazepam during enzymatic hydrolysis. Anal. Bioanal. Chem. 400(1), 153-164 (2011). Related Products For a list of related products please visit: www.caymanchem.com/catalog/15938 Cayman Chemical Mailing address 1180 E. Ellsworth Road Ann Arbor, MI 48108 USA WARNING: THIS PRODUCT IS FOR LABOratORY RESEarCH ONLY: NOT FOR ADMiniStratiON TO HUManS. NOT FOR HUMan OR VETErinarY Phone DiagnOStiC OR THEraPEUtiC USE. (800) 364-9897 (734) 971-3335 SAFETY DATA This material should be considered hazardous until information to the contrary becomes available. Do not ingest, swallow, or inhale. Do not get in eyes, on skin, or on clothing. Wash thoroughly after handling. This information contains some, but not all, of the information required for the safe and proper use of this material. Before use, the user must review the complete Safety Data Sheet, Fax which has been sent via email to your institution. (734) 971-3640 WARRANTY AND LIMITATION OF REMEDY Cayman Chemical Company makes no warranty or guarantee of any kind, whether written or oral, expressed or implied, including without limitation, any warranty of fitness for a particular purpose, suitability and merchantability, which extends beyond the description of the chemicals hereof. Cayman warrants only to the original customer that the material will meet our specifications E-Mail at the time of delivery. [email protected] Cayman will carry out its delivery obligations with due care and skill. Thus, in no event will Cayman have any obligation or liability, whether in tort (including negligence) or in contract, for any direct, indirect, incidental or consequential damages, even if Cayman is informed about their possible existence. This limitation of liability does not apply in the case of intentional acts or negligence of Cayman, its directors or its employees. Web Buyer’s exclusive remedy and Cayman’s sole liability hereunder shall be limited to a refund of the purchase price, or at Cayman’s option, the replacement, at no cost to Buyer, of all material that does not meet our specifications. www.caymanchem.com Said refund or replacement is conditioned on Buyer giving written notice to Cayman within thirty (30) days after arrival of the material at its destination. Failure of Buyer to give said notice within thirty (30) days shall constitute a waiver by Buyer of all claims hereunder with respect to said material. For further details, please refer to our Warranty and Limitation of Remedy located on our website and in our catalog. Copyright Cayman Chemical Company, 05/23/2014.
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